document.write( "Question 33094: How do u solve systems of equations like this 3x+2y+5z=33
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document.write( " 4y-3z=-11
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document.write( " z=5 \n" );
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Algebra.Com's Answer #19516 by longjonsilver(2297)![]() ![]() You can put this solution on YOUR website! you know z=5\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "so, from 4y-3z=-11 we get \n" ); document.write( "4y-3(5)=-11 \n" ); document.write( "4y-15=-11 \n" ); document.write( "4y=4 \n" ); document.write( "y = 1\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "And finally from 3x+2y+5z=33 we get \n" ); document.write( "3x+2(1)+5(5)=33 \n" ); document.write( "3x+2+25=33 \n" ); document.write( "3x+27=33 \n" ); document.write( "3x = 6 \n" ); document.write( "x = 2\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "So, solution is: \n" ); document.write( "x=2 \n" ); document.write( "y=1 \n" ); document.write( "z=5\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "jon \n" ); document.write( " \n" ); document.write( " |